/Engine/Source/Runtime/Engine/Public/MaterialShared.h
void GetGameThreadTextureValue ( EMaterialTextureParameterType Type, int32 Index, const [UMaterialInterface](API\Runtime\Engine\Materials\UMaterialInterface) * MaterialInterface, const [FMaterial](API\Runtime\Engine\FMaterial) & Material, [UTexture](API\Runtime\Engine\Engine\UTexture) *& OutValue, bool bAllowOverride ) const